usleep

usleep—Suspends execution for interval of microseconds

SYNOPSIS

#include <unistd.h>
void usleep(unsigned long usec);

DESCRIPTION

The usleep() function suspends execution of the calling process for usec microseconds. The sleep may be lengthened slightly by any system activity or by the time spent processing the call.

CONFORMS TO

BSD 4.3

SEE ALSO

setitimer(2), getitimer(2), sleep(3), alarm(3), select(3)

4 July 1993

wcstombs

wcstombs—Converts a wide character string to a multibyte character string

SYNOPSIS

#include <stdlib.h>
size_t wcstombs(char *s, const wchar_t *pwcs, size_t n);

DESCRIPTION

The wcstombs() function converts a sequence of wide characters from the array pwcs into a sequence of multibyte characters and stores up to n bytes of multibyte characters in the array s.

RETURN VALUE

wcstombs() returns the number of bytes stored in s or _1 if s contains an invalid wide character.

CONFORMS TO

SVID 3, ISO 9899

SEE ALSO

mblen(3), mbtowc(3), mbstowcs(3), wctomb(3)

GNU, 29 March 1993

wctomb

wctomb—Converts a wide character to a multibyte character

SYNOPSIS

#include <stdlib.h>
int wctomb(char *s, wchar_t wchar);

DESCRIPTION

The wctomb() function converts a wide character wchar into a multibyte character and, if s is not NULL, stores the multibyte character representation in s.

RETURN VALUE

wctomb() returns the number of bytes in the multibyte character or _1 if the wide character is not valid.

CONFORMS TO

SVID 3, ISO 9899

SEE ALSO

mblen(3), mbstowcs(3), mbtowc(3), wcstombs(3)

GNU, 29 March 1993