NAME¶

memchr - memory search character

LIBRARY¶

Standard C library (libc, -lc)

SYNOPSIS¶

#include <string.h>  // see memory.h(3head)

void *memchr(size_t n;
             const void s[n], int c, size_t n);

DESCRIPTION¶

memchr() scans the initial n bytes of the memory area pointed to by s for the first instance of c.

Both c and the bytes of the memory area pointed to by s are interpreted as unsigned char.

RETURN VALUE¶

memchr() returns a pointer to the matching byte or NULL if the character does not occur in the given memory area.

ATTRIBUTES¶

For an explanation of the terms used in this section, see attributes(7).

STANDARDS¶

C11, POSIX.1-2008.

HISTORY¶

POSIX.1-2001, C89, SVr4, 4.3BSD.

SEE ALSO¶

memory.h(3head), memrchr(3), wmemchr(3)