Guardian C Library Calls Reference Manual

Reference to Library Calls

Guardian TNS C Library Calls Reference Manual—128833 3-117

memchr

The memchr function searches for the first occurrence of a byte value within a block of

memory.

block

points to the block to search.

value

is the value to search for; it is converted to an unsigned char before the search.

block_size

is the size in bytes of the block to search.

Return Value

points to the first occurrence of value if it is found; otherwise, memchr returns the

pointer value NULL.

#include <stringh>

void *memchr(const void *block, int value, size_t

block_size);