diff options
Diffstat (limited to 'posix/unistd.h')
| -rw-r--r-- | posix/unistd.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/posix/unistd.h b/posix/unistd.h index a9a89a73d3..5cf41df723 100644 --- a/posix/unistd.h +++ b/posix/unistd.h @@ -55,7 +55,7 @@ __BEGIN_DECLS creation of locales with the localedef utility. */ #define _POSIX2_LOCALEDEF 1 -/* Library is conformant to X/Open version 4. */ +/* Library conforms to X/Open version 4. */ #define _XOPEN_VERSION 4 /* Commands and utilities from XPG4 are available. */ @@ -213,7 +213,7 @@ extern ssize_t write __P ((int __fd, __const __ptr_t __buf, size_t __n)); /* Create a one-way communication channel (pipe). - If successul, two file descriptors are stored in PIPEDES; + If successful, two file descriptors are stored in PIPEDES; bytes written on PIPEDES[1] can be read from PIPEDES[0]. Returns 0 if successful, -1 if not. */ extern int __pipe __P ((int __pipedes[2])); @@ -246,8 +246,8 @@ extern unsigned int ualarm __P ((unsigned int __value, unsigned int __interval)); /* Sleep USECONDS microseconds, or until a signal arrives that is not blocked - or ignored. Return value is not necessarily useful. */ -extern unsigned int usleep __P ((unsigned int __useconds)); + or ignored. */ +extern void usleep __P ((unsigned int __useconds)); #endif @@ -333,7 +333,6 @@ extern int dup2 __P ((int __fd, int __fd2)); /* NULL-terminated array of "NAME=VALUE" environment variables. */ extern char **__environ; -extern char **environ; /* Replace the current process, executing PATH with arguments ARGV and @@ -605,7 +604,7 @@ extern int tcsetpgrp __P ((int __fd, __pid_t __pgrp_id)); extern char *getlogin __P ((void)); #ifdef __USE_REENTRANT /* Return at most NAME_LEN characters of the login name of the user in NAME. - If it cannot be determined or some other error occured, return the error + If it cannot be determined or some other error occurred, return the error code. Otherwise return 0. */ extern int getlogin_r __P ((char *__name, size_t __name_len)); #endif @@ -830,11 +829,11 @@ extern int __libc_enable_secure; #endif -#ifdef __USE_POSIX +#ifdef __USE_POSIX199309 /* Synchronize at least the data part of a file with the underlying media. */ extern int fdatasync __P ((int __fildes)); -#endif /* Use POSIX */ +#endif /* Use POSIX199309 */ /* XPG4.2 specifies that prototypes for the encryption functions must |