Finds the first occurrence of a character in a buffer and stops when it finds the character or when it has checked the specified number of bytes.

#include <string.h>

void *memchr (const void *buf, int c, size_t count);

#include <wchar.h>

wchar_t *wmemchr(const wchar_t *buf, wchar_t c, size_t count);

Parameters

buf

Pointer to buffer.

c

Character to look for.

count

Number of characters to check for (in bytes for memchr, wide characters for wmemchr).

Return Values

A pointer to the first location of c in buf.

Success.

A null pointer.

Failure.

Requirements