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+@chapter What Unix API calls are supported by Cygwin?
+
+This is the beginning of documentation listing the calls supported
+by the Cygwin library.
+
+All POSIX.1/1996 and ANSI C calls are listed in this file.  Note that
+while almost all POSIX.1/1990 calls are included in Cygwin, most
+POSIX.1/1996 calls are not (yet at least!).  Additional Unix
+compatibility calls and extended libc/libm calls are provided by
+Cygwin but may or may not be listed yet.
+
+To see if a function is implemented but not listed here, check for the
+presence of the call in the file winsup/cygwin.din in the sources.  In
+addition, you may want to read the source code corresponding to the call
+to verify that it is not a stub.  Finally, libc/libm functions
+(including extended calls not listed here) may be documented in the
+newlib texinfo documentation.
+
+Calls are implemented on both Windows 95 and NT unless otherwise
+noted.  Included are references to relevant standards, if any.
+Calls starting with "cygwin_" are Cygwin-specific calls.
+
+@section ANSI C Library Functions
+
+@itemize @code
+
+@item libc stdio (newlib/libc/stdio)
+@itemize @code
+@item clearerr: C 4.9.10.1
+@item fclose: C 4.9.5.1, P 8.2.3.2
+@item feof: C 4.9.10.2
+@item ferror: C 4.9.10.3
+@item fflush: C 4.9.5.2, P 8.2.3.4
+@item fgetc: C 4.9.7.1, P 8.2.3.5
+@item fgetpos: C 4.9.9.1
+@item fgets: C 4.9.7.2, P 8.2.3.5
+@item fopen: C 4.9.5.3, P 8.2.3.1
+@item fprintf: C 4.9.7.3, P 8.2.3.6
+@item fputc: C 4.9.7.3, P 8.2.3.6
+@item fputs: C 4.9.7.4, P 8.2.3.6
+@item fread: C 4.9.8.1, P 8.2.3.5
+@item freopen: C 4.9.5.4, P 8.2.3.3
+@item fscanf: C 4.9.6.2, P 8.2.3.7
+@item fseek: C 4.9.9.2, P 8.2.3.7
+@item fsetpos: C 4.9.9.3
+@item ftell: C 4.9.9.4, P 8.2.3.10
+@item fwrite: C 4.9.8.2, P 8.2.3.6
+@item getc: C 4.9.7.5, P 8.2.3.5
+@item getchar: C 4.9.7.6, P 8.2.3.5
+@item gets: C 4.9.7.7, P 8.2.3.5
+@item perror: C 4.9.10.4, P 8.2.3.8
+@item printf: C 4.9.6.3, P 8.2.3.6
+@item putc: C 4.9.7.8, P 8.2.3.6
+@item putchar: C 4.9.7.9, P 8.2.3.6
+@item puts: C 4.9.7.10, P 8.2.3.6
+@item remove: C 4.9.4.1, P 8.2.4
+@item rename: C 4.9.4.2, P 5.5.3.1
+@item rewind: C 4.9.9.5, P 8.2.3.7
+@item scanf: C 4.9.6.4, P 8.2.3.5
+@item setbuf: C 4.9.5.5
+@item setvbuf: C 4.9.5.6
+@item sprintf: C 4.9.6.5
+@item sscanf: C 4.9.6.6
+@item tmpfile: C 4.9.4.3, P 8.2.3.9
+@item tmpnam: C 4.9.4.4, P 8.2.5
+@item vfprintf: C 4.9.6.7
+@item ungetc: C 4.9.7.11
+@item vprintf: C 4.9.6.8
+@item vsprintf: C 4.9.6.9
+@end itemize
+
+@item libc string (newlib/libc/string)
+@itemize @code
+@item memchr: C 4.11.5.1
+@item memcmp: C 4.11.4.1
+@item memcpy: C 4.11.2.1
+@item memmove: C 4.11.2.2
+@item memset: C 4.11.6.1
+@item strcat: C 4.11.3.1
+@item strchr: C 4.11.5.2
+@item strcmp: C 4.11.4.2
+@item strcoll: C 4.11.4.3
+@item strcpy: C 4.11.2.3
+@item strcspn: C 4.11.5.3
+@item strerror: C 4.11.6.2
+@item strlen: C 4.11.6.3
+@item strncat: C 4.11.3.2
+@item strncmp: C 4.11.3.2
+@item strncpy: C 4.11.2.4
+@item strpbrk: C 4.11.5.4
+@item strrchr: C 4.11.5.5
+@item strspn: C 4.11.5.6
+@item strstr: C 4.11.5.7
+@item strtok: C 4.11.5.8
+@item strxfrm: C 4.11.4.5
+@end itemize
+
+@item libc stdlib (newlib/libc/stdlib, environ.cc, newlib/libc/include/machine/setjmp.h newlib/libc/include/assert.h)
+@itemize @code
+@item abort: C 4.10.4.1, P 8.2.3.12
+@item abs: C 4.10.6.1
+@item assert: C 4.2.1.1
+@item atexit: C 4.10.4.2
+@item atof: C 4.10.1.1
+@item atoi: C 4.10.1.2
+@item atol: C 4.10.1.3
+@item bsearch: C 4.10.5.1
+@item calloc: C 4.10.3.1
+@item div: C 4.10.6.2
+@item exit: C 4.10.4.3, P 8.2.3.12
+@item free: C 4.10.3.2
+@item getenv: C 4.10.4.4, P 4.6.1.1
+@item labs: C 4.10.6.3
+@item ldiv: C 4.10.6.2
+@item longjmp: C 4.6.2.1
+@item malloc: C 4.10.3.3
+@item mblen: C 4.10.7.1
+@item mbstowcs: C 4.10.8.1
+@item mbtowc: C 4.10.7.2
+@item qsort: 4.10.5.2
+@item rand: C 4.10.2.1
+@item realloc: C 4.10.3.4
+@item setjmp: C 4.6.1.1
+@item srand: C 4.10.2.2
+@item strtod: C 4.10.1.4
+@item strtol: C 4.10.1.5
+@item strtoul: C 4.10.1.6
+@item system: C 4.10.4.5
+@item wcstombs: C 4.10.8.2
+@item wctomb: C 4.10.7.3
+@end itemize
+
+@item libc time (times.cc, newlib/libc/time)
+@itemize @code
+@item asctime: C 4.12.3.1
+@item gmtime: C 4.12.3.3
+@item localtime: C 4.12.3.4, P 8.1.1
+@item time: C 4.12.2.4, P 4.5.1.1
+@item clock: C 4.12.2.1
+@item ctime: C 4.12.3.2
+@item difftime: C 4.12.2.2
+@item mktime: C 4.12.2.3, P 8.1.1
+@item strftime: C 4.11.6.2
+@end itemize
+
+@item libc signals (signal.cc, newlib/libc/signal)
+@itemize @code
+@item raise: C 4.7.2.1
+@item signal: C 4.7.1.1
+@end itemize
+
+@item libc ctype (newlib/libc/ctype)
+@itemize @code
+@item isalnum: C 4.3.1.1
+@item isalpha: C 4.3.1.2
+@item iscntrl: C 4.3.1.3
+@item isdigit: C 4.3.1.4
+@item isgraph: C 4.3.1.5
+@item islower: C 4.3.1.6
+@item isprint: C 4.3.1.7
+@item ispunct: C 4.3.1.8
+@item isspace: C 4.3.1.9
+@item isupper: C 4.3.1.10
+@item isxdigit: C 4.3.1.11
+@item tolower: C 4.3.2.1
+@item toupper: C 4.3.2.2
+@end itemize
+
+@item libm math (newlib/libm/math)
+@itemize @code
+@item acos: C 4.5.2.1
+@item asin: C 4.5.2.2
+@item atan: C 4.5.2.3
+@item atan2: C 4.5.2.4
+@item ceil: C 4.5.6.1
+@item cos: C 4.5.2.5
+@item cosh: C 4.5.3.2
+@item exp: C 4.5.4.1
+@item fabs: C 4.5.6.2
+@item floor: C 4.5.6.3
+@item fmod: C 4.5.6.4
+@item frexp: C 4.5.4.2
+@item ldexp: C 4.5.4.3
+@item log: C 4.5.4.4
+@item log10: C 4.5.4.5
+@item modf: C 4.5.4.6
+@item pow: C 4.5.5.1
+@item sin: C 4.5.2.6
+@item sinh: C 4.5.3.2
+@item sqrt: C 4.5.5.2
+@item tan: C 4.5.2.7
+@item tanh: C 4.5.3.3
+@end itemize
+
+@item libc misc (newlib/libc/locale, gcc/ginclude/stdarg.h)
+@itemize @code
+@item localeconv: C 4.4.2.1
+@item setlocale: C 4.4.1.1, P 8.1.2.1
+@item va_arg: C 4.8.1.2
+@item va_end: C 4.8.1.3
+@item va_start: C 4.8.1.1
+@end itemize
+
+@section POSIX.1/96 Functions
+
+@item Process Primitives (Section 3)
+@itemize @code
+@item fork: P 3.1.1.1
+@item execl: P 3.1.2.1
+@item execle: P 3.1.2.1
+@item execlp: P 3.1.2.1
+@item execv: P 3.1.2.1
+@item execve: P 3.1.2.1
+@item execvp: P 3.1.2.1
+@item pthread_atfork: P96 3.1.3.1 -- unimplemented
+@item wait: P 3.2.1.1
+@item waitpid: P 3.2.1.1
+@item _exit: P 3.2.2.1
+@item kill: P 3.3.2.1
+@item sigemptyset: P 3.3.3.1
+@item sigfillset: P 3.3.3.1
+@item sigaddset: P 3.3.3.1
+@item sigdelset: P 3.3.3.1
+@item sigismember: P 3.3.3.1
+@item sigaction: P 3.3.4.1 
+@item pthread_sigmask: P96 3.3.5.1
+@item sigprocmask: P 3.3.5.1
+@item sigpending: P 3.3.6.1
+@item sigsuspend: P 3.3.7.1
+@item sigwait: P96 3.3.8.1 -- unimplemented
+@item sigwaitinfo: P96 3.3.8.1 -- unimplemented
+@item sigtimedwait: P96 3.3.8.1 -- unimplemented
+@item sigqueue: P96 3.3.9.1 -- unimplemented
+@item pthread_kill: P96 3.3.10.1
+@item alarm: P 3.4.1.1
+@item pause: P 3.4.2.1
+@item sleep: P 3.4.3.1
+@end itemize
+
+@item Process Environment (Section 4)
+@itemize @code
+@item getpid: P 4.1.1.1
+@item getppid: P 4.1.1.1
+@item getuid: P 4.2.1.1
+@item geteuid: P 4.2.1.1
+@item getgid: P 4.2.1.1
+@item getegid: P 4.2.1.1
+@item setuid: P 4.2.2.1 (stub, sets ENOSYS, returns zero)
+@item setgid: P 4.2.2.1 (stub, sets ENOSYS, returns zero)
+@item getgroups: P 4.2.3.1
+@item getlogin: P 4.2.4.1
+@item getlogin_r: P 4.2.4.1 -- unimplemented
+@item getpgrp: P 4.3.1.1
+@item setsid: P 4.3.2.1
+@item setpgid: P 4.3.3.1
+@item uname: P 4.4.1.1
+@item time: C 4.12.2.4, P 4.5.1.1
+@item times: P 4.5.2.1
+@item getenv: C 4.10.4.4, P 4.6.1.1
+@item ctermid: P 4.7.1.1
+@item ttyname: P 4.7.2.1
+@item ttyname_r: P 4.7.2.1 -- unimplemented
+@item isatty: P 4.7.2.1
+@item sysconf: P 4.8.1.1
+@end itemize
+
+@item Files and Directories (Section 5)
+@itemize @code
+@item opendir: P 5.1.2.1
+@item readdir: P 5.1.2.1
+@item readdir_r: P96 5.1.2.1 -- unimplemented
+@item rewinddir: P 5.1.2.1
+@item closedir: P 5.1.2.1
+@item chdir: P 5.2.1.1
+@item getcwd: P 5.2.2.1
+@item open: P 5.3.1.1
+@item creat: P 5.3.2.1
+@item umask: P 5.3.3.1
+@item link: P 5.3.4.1 (copy file in Win 95, and when link fails in NT)
+@item mkdir: P 5.4.1.1
+@item mkfifo: P 5.4.2.1 -- unimplemented!!!
+@item unlink: P 5.5.1.1
+@item rmdir: P 5.5.2.1
+@item rename: C 4.9.4.2, P 5.5.3.1
+@item stat: P 5.6.2.1
+@item fstat: P 5.6.2.1
+@item access: P 5.6.3.1
+@item chmod: P 5.6.4.1
+@item fchmod: P96 5.6.4.1
+@item chown: P 5.6.5.1 (stub in Win 95; always returns zero)
+@item utime: P 5.6.6.1
+@item ftruncate: P96 5.6.7.1
+@item pathconf: P 5.7.1.1
+@item fpathconf: P 5.7.1.1
+@end itemize
+
+@item Input and Output Primitives (Section 6)
+@itemize @code
+@item pipe: P 6.1.1.1
+@item dup: P 6.2.1.1
+@item dup2: P 6.2.1.1
+@item close: P 6.3.1.1
+@item read: P 6.4.1.1
+@item write: P 6.4.2.1
+@item fcntl: P 6.5.2.1 (note: fcntl(fd, F_GETLK,...) is not implemented (returns -1 with errno set to ENOSYS)).
+@item lseek: P 6.5.3.1 (note: only works correctly on binary files)
+@item fsync: P96 6.6.1.1
+@item fdatasync: P96 6.6.2.1 -- unimplemented
+@item aio_read: P96 6.7.2.1 -- unimplemented
+@item aio_write: P96 6.7.3.1 -- unimplemented
+@item lio_listio: P96 6.7.4.1 -- unimplemented
+@item aio_error: P96 6.7.5.1 -- unimplemented
+@item aio_return: P96 6.7.6.1 -- unimplemented
+@item aio_cancel: P96 6.7.7.1 -- unimplemented
+@item aio_suspend: P96 6.7.8.1 -- unimplemented
+@item aio_fsync: P96 6.7.9.1 -- unimplemented
+@end itemize
+
+@item Device- and Class-Specific Functions (Section 7)
+@itemize @code
+@item cfgetispeed: P96 7.1.3.1
+@item cfgetospeed: P96 7.1.3.1
+@item cfsetispeed: P96 7.1.3.1
+@item cfsetospeed: P96 7.1.3.1
+@item tcdrain: P 7.2.2.1
+@item tcflow: P 7.2.2.1
+@item tcflush: P 7.2.2.1
+@item tcgetattr: P96 7.2.1.1
+@item tcgetpgrp: P 7.2.3.1
+@item tcsendbreak: P 7.2.2.1
+@item tcsetattr: P96 7.2.1.1
+@item tcsetpgrp: P 7.2.4.1
+@end itemize
+
+@item Language-Specific Services for the C Programming Language
+(Section 8)
+@itemize @code
+@item abort: C 4.10.4.1, P 8.2.3.12
+@item asctime_r: P96 8.3.4.1 -- unimplemented
+@item ctime_r: P96 8.3.5.1 -- unimplemented
+@item exit: C 4.10.4.3, P 8.2.3.12
+@item fclose: C 4.9.5.1, P 8.2.3.2
+@item fdopen: P 8.2.2.1
+@item fflush: C 4.9.5.2, P 8.2.3.4
+@item fgetc: C 4.9.7.1, P 8.2.3.5
+@item fgets: C 4.9.7.2, P 8.2.3.5
+@item fileno: P 8.2.1.1
+@item flockfile: P96 8.2.6.1 -- unimplemented
+@item fopen: C 4.9.5.3, P 8.2.3.1
+@item fprintf: C 4.9.7.3, P 8.2.3.6
+@item fputc: C 4.9.7.3, P 8.2.3.6
+@item fputs: C 4.9.7.4, P 8.2.3.6
+@item fread: C 4.9.8.1, P 8.2.3.5
+@item freopen: C 4.9.5.4, P 8.2.3.3
+@item fscanf: C 4.9.6.2, P 8.2.3.7
+@item fseek: C 4.9.9.2, P 8.2.3.7
+@item ftell: C 4.9.9.4, P 8.2.3.10
+@item ftrylockfile: P96 8.2.6.1 -- unimplemented
+@item funlockfile: P96 8.2.6.1 -- unimplemented
+@item fwrite: C 4.9.8.2, P 8.2.3.6
+@item getc: C 4.9.7.5, P 8.2.3.5
+@item getc_unlocked: P96 8.2.7.1 -- unimplemented
+@item getchar: C 4.9.7.6, P 8.2.3.5
+@item getchar_unlocked: P96 8.2.7.1 -- unimplemented
+@item gets: C 4.9.7.7, P 8.2.3.5
+@item gmtime_r: P96 8.3.6.1 -- unimplemented
+@item localtime_r: P96 8.3.7.1 -- unimplemented
+@item perror: C 4.9.10.4, P 8.2.3.8
+@item printf: C 4.9.6.3, P 8.2.3.6
+@item putc: C 4.9.7.8, P 8.2.3.6
+@item putc_unlocked: P96 8.2.7.1 -- unimplemented
+@item putchar: C 4.9.7.9, P 8.2.3.6
+@item putchar_unlocked: P96 8.2.7.1 -- unimplemented
+@item puts: C 4.9.7.10, P 8.2.3.6
+@item rand_r: P96 8.3.8.1 -- unimplemented
+@item remove: C 4.9.4.1, P 8.2.4
+@item rewind: C 4.9.9.5, P 8.2.3.7
+@item scanf: C 4.9.6.4, P 8.2.3.5
+@item setlocale: C 4.4.1.1, P 8.1.2.1
+@item siglongjmp: P 8.3.1.1
+@item sigsetjmp: P 8.3.1.1
+@item strtok_r: P96 8.3.3.1 -- unimplemented
+@item tmpfile: C 4.9.4.3, P 8.2.3.9
+@item tmpnam: C 4.9.4.4, P 8.2.5
+@item tzset: P 8.3.2.1
+@end itemize
+
+@item System Databases (Section 9)
+@itemize @code
+@item getgrgid: P 9.2.1.1
+@item getgrgid_r: P96 9.2.1.1 -- unimplemented
+@item getgrnam: P 9.2.1.1
+@item getgrnam_r: P96 9.2.1.1 -- unimplemented
+@item getpwnam: P 9.2.2.1
+@item getpwnam_r: P96 9.2.2.1 -- unimplemented
+@item getpwuid: P 9.2.2.1
+@item getpwuid_r: P96 9.2.2.1 -- unimplemented
+@end itemize
+
+@item Synchronization (Section 11)
+@itemize @code
+@item pthread_cond_broadcast: P96 11.4.3.1 -- unimplemented
+@item pthread_cond_destroy: P96 11.4.2.1 -- unimplemented
+@item pthread_cond_init: P96 11.4.2.1 -- unimplemented
+@item pthread_cond_signal: P96 11.4.3.1 -- unimplemented
+@item pthread_cond_timedwait: P96 11.4.4.1 -- unimplemented
+@item pthread_cond_wait: P96 11.4.4.1 -- unimplemented
+@item pthread_condattr_destroy: P96 11.4.1.1 -- unimplemented
+@item pthread_condattr_getpshared: P96 11.4.1.1 -- unimplemented
+@item pthread_condattr_init: P96 11.4.1.1 -- unimplemented
+@item pthread_condattr_setpshared: P96 11.4.1.1 -- unimplemented
+@item pthread_mutex_destroy: P96 11.3.2.1
+@item pthread_mutex_init: P96 11.3.2.1
+@item pthread_mutex_lock: P96 11.3.3.1
+@item pthread_mutex_trylock: P96 11.3.3.1
+@item pthread_mutex_unlock: P96 11.3.3.1
+@item sem_close: P96 11.2.4.1 -- unimplemented
+@item sem_destroy: P96 11.2.2.1
+@item sem_getvalue: P96 11.2.8.1 -- unimplemented
+@item sem_init: P96 11.2.1.1
+@item sem_open: P96 11.2.3.1 -- unimplemented
+@item sem_post: P96 11.2.7.1
+@item sem_trywait: P96 11.2.6.1
+@item sem_unlink: P96 11.2.5.1 -- unimplemented
+@item sem_wait: P96 11.2.6.1
+@end itemize
+
+@item Memory Management (Section 12)
+@itemize @code
+@item mlock: P96 12.1.2.1 -- unimplemented
+@item mlockall: P96 12.1.1.1 -- unimplemented
+@item mmap: P96 12.2.1.1
+@item mprotect: P96 12.2.3.1 
+@item msync: P96 12.2.4.1
+@item munlock: P96 12.1.2.1 -- unimplemented
+@item munlockall: P96 12.1.1.1 -- unimplemented
+@item munmap: P96 12.2.2.1 
+@item shm_open: P96 12.3.1.1 -- unimplemented
+@item shm_unlink: P96 12.3.2.1 -- unimplemented
+@end itemize
+
+@item Execution Scheduling (Section 13)
+@itemize @code
+@item pthread_attr_getinheritsched: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_getschedparam: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_getschedpolicy: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_getscope: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_setinheritsched: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_setschedparam: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_setschedpolicy: P96 13.5.1.1 -- unimplemented
+@item pthread_attr_setscope: P96 13.5.1.1 -- unimplemented
+@item pthread_getschedparam: P96 13.5.2.1 -- unimplemented
+@item pthread_mutex_getprioceiling: P96 13.6.2.1 -- unimplemented
+@item pthread_mutex_setprioceiling: P96 13.6.2.1 -- unimplemented
+@item pthread_mutexattr_getprioceiling: P96 13.6.1.1 -- unimplemented
+@item pthread_mutexattr_getprotocol: P96 13.6.1.1 -- unimplemented
+@item pthread_mutexattr_setprioceiling: P96 13.6.1.1 -- unimplemented
+@item pthread_mutexattr_setprotocol: P96 13.6.1.1 -- unimplemented
+@item pthread_setschedparam: P96 13.5.2.1 -- unimplemented
+@item sched_get_priority_max: P96 13.3.6.1 -- unimplemented
+@item sched_get_priority_min: P96 13.3.6.1 -- unimplemented
+@item sched_getparam: P96 13.3.2.1 -- unimplemented
+@item sched_getscheduler: P96 13.3.4.1 -- unimplemented
+@item sched_rr_get_interval: P96 13.3.6.1 -- unimplemented
+@item sched_setparam: P96 13.3.1.1 -- unimplemented
+@item sched_setscheduler: P96 13.3.3.1 -- unimplemented
+@item sched_yield: P96 13.3.5.1 -- unimplemented
+@end itemize
+
+@item Clocks and Timers (Section 14)
+@itemize @code
+@item clock_getres: P96 14.2.1.1 -- unimplemented
+@item clock_gettime: P96 14.2.1.1 -- unimplemented
+@item clock_settime: P96 14.2.1.1 -- unimplemented
+@item nanosleep: P96 14.2.5.1 -- unimplemented
+@item timer_create: P96 14.2.2.1 -- unimplemented
+@item timer_delete: P96 14.2.3.1 -- unimplemented
+@item timer_getoverrun: P96 14.2.4.1 -- unimplemented
+@item timer_gettime: P96 14.2.4.1 -- unimplemented
+@item timer_settime: P96 14.2.4.1 -- unimplemented
+@end itemize
+
+@item Message Passing (Section 15)
+@itemize @code
+@item mq_close: P96 15.2.2.1 -- unimplemented
+@item mq_getattr: P96 15.2.8.1 -- unimplemented
+@item mq_notify: P96 15.2.6.1 -- unimplemented
+@item mq_open: P96 15.2.1.1 -- unimplemented
+@item mq_receive: P96 15.2.5.1 -- unimplemented
+@item mq_send: P96 15.2.4.1 -- unimplemented
+@item mq_setattr: P96 15.2.7.1 -- unimplemented
+@item mq_unlink: P96 15.2.3.1 -- unimplemented
+@end itemize
+
+@item Thread Management (Section 16)
+@itemize @code
+@item pthread_attr_destroy: P96 16.2.1.1
+@item pthread_attr_getdetachstate: P96 16.2.1.1 -- unimplemented
+@item pthread_attr_getstackaddr: P96 16.2.1.1 -- unimplemented
+@item pthread_attr_getstacksize: P96 16.2.1.1
+@item pthread_attr_init: P96 16.2.1.1
+@item pthread_attr_setdetachstate: P96 16.2.1.1 -- unimplemented
+@item pthread_attr_setstackaddr: P96 16.2.1.1 -- unimplemented
+@item pthread_attr_setstacksize: P96 16.2.1.1
+@item pthread_create: P96 16.2.2.1
+@item pthread_detach: P96 16.2.4.1 -- unimplemented
+@item pthread_equal: P96 16.2.7.1
+@item pthread_exit: P96 16.2.5.1
+@item pthread_join: P96 16.2.3.1 -- unimplemented
+@item pthread_once: P96 16.2.8.1 -- unimplemented
+@item pthread_self: P96 16.2.6.1
+@end itemize
+
+@item Thread-Specific Data (Section 17)
+@itemize @code
+@item pthread_getspecific: P96 17.1.2.1
+@item pthread_key_create: P96 17.1.1.1
+@item pthread_key_delete: P96 17.1.3.1
+@item pthread_setspecific: P96 17.1.2.1
+@end itemize
+
+@item Thread Cancellation (Section 18)
+@itemize @code
+@item pthread_cancel: P96 18.2.1.1 -- unimplemented
+@item pthread_cleanup_pop: P96 18.2.3.1 -- unimplemented
+@item pthread_cleanup_push: P96 18.2.3.1 -- unimplemented
+@item pthread_setcancelstate: P96 18.2.2.1 -- unimplemented
+@item pthread_setcanceltype: P96 18.2.2.1 -- unimplemented
+@item pthread_testcancel: P96 18.2.2.1 -- unimplemented
+@end itemize
+
+@section Misc Functions
+
+@item Networking (net.cc) (Standardized by POSIX 1.g, which is probably still in draft?)
+@itemize @code
+@item accept
+@item bind
+@item connect
+@item getdomainname
+@item gethostbyaddr
+@item gethostbyname
+@item getpeername
+@item getprotobyname
+@item getprotobynumber
+@item getservbyname
+@item getservbyport
+@item getsockname
+@item getsockopt
+@item herror
+@item htonl
+@item htons
+@item inet_addr
+@item inet_makeaddr
+@item inet_netof
+@item inet_ntoa
+@item listen
+@item ntohl
+@item ntohs
+@item rcmd
+@item recv
+@item recvfrom
+@item rexec
+@item rresvport
+@item send
+@item sendto
+@item setsockopt
+@item shutdown
+@item socket
+@item socketpair
+@end itemize
+
+Of these networking calls, rexec, rcmd and rresvport are implemented
+in MS IP stack but may not be implemented in other vendors' stacks.
+
+@item Other
+@itemize @code
+@item chroot (stub, sets ENOSYS, returns -1)
+@item closelog
+@item cwait
+@item cygwin_conv_to_full_posix_path
+@item cygwin_conv_to_full_win32_path
+@item cygwin_conv_to_posix_path
+@item cygwin_conv_to_win32_path
+@item cygwin_posix_path_list_p
+@item cygwin_posix_to_win32_path_list
+@item cygwin_posix_to_win32_path_list_buf_size
+@item cygwin_split_path
+@item cygwin_win32_to_posix_path_list
+@item cygwin_win32_to_posix_path_list_buf_size
+@item cygwin_winpid_to_pid
+@item dlclose
+@item dlerror
+@item dlfork
+@item dlopen
+@item dlsym
+@item endgrent
+@item endhostent
+@item ffs
+@item fstatfs
+@item ftime
+@item get_osfhandle
+@item getdtablesize
+@item getgrent
+@item gethostname
+@item getitimer
+@item getmntent
+@item getpagesize
+@item getpgid
+@item getpwent
+@item gettimeofday: BSD
+@item grantpt
+@item initgroups (stub)
+@item ioctl
+@item killpg
+@item login
+@item logout
+@item lstat
+@item mknod (stub, sets ENOSYS, returns -1)
+@item memccpy
+@item nice
+@item openlog
+@item pclose
+@item popen
+@item ptsname
+@item putenv
+@item random
+@item readv
+@item realpath
+@item regfree
+@item rexec
+@item select
+@item setegid: SVR4 (stub, sets ENOSYS, returns zero)@item endpwent
+@item setenv
+@item seterrno
+@item seteuid (stub, sets ENOSYS, returns zero)
+@item sethostent
+@item setitimer
+@item setmntent
+@item setmode
+@item setpassent
+@item setpgrp
+@item setpwent
+@item settimeofday: BSD (stub, set ENOSYS, return -1)
+@item sexecl
+@item sexecle
+@item sexeclp
+@item sexeclpe
+@item sexeclpe
+@item sexecp
+@item sexecv
+@item sexecve
+@item sexecvpe
+@item sigpause
+@item spawnl (spawn calls are from Windows C library)
+@item spawnle
+@item spawnlp
+@item spawnlpe
+@item spawnv
+@item spawnve
+@item spawnvp
+@item spawnvpe
+@item srandom
+@item statfs
+@item strsignal
+@item strtosigno
+@item swab
+@item syslog
+@item timezone
+@item truncate (SVR4/4.3+BSD)
+@item ttyslot
+@item unlockpt
+@item unsetenv
+@item usleep
+@item utimes
+@item vfork: stub that calls fork
+@item vhangup (stub, sets ENOSYS, returns -1)
+@item wait3
+@item wait4
+@item wcscmp
+@item wcslen
+@item wprintf
+@item writev
+@end itemize
+
+@end itemize
+