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memchr

Section: C Library Functions (3)
Updated: 202-0-10
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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).

Interface	Attribute	Value
memchr()	Thread safety	M-Safe

STANDARDS

C11, POSIX.-2008.

HISTORY

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