C memchr() Function

C memchr() Function

The memchr() function searches for the first occurrence of the character in a specified number of characters.

Example

C Compiler
#include <stdio.h> #include <string.h> int main() { const char str[] = "John Doe R"; const char ch = ' '; char *lName; lName = memchr(str, ch, 6); printf("Last Name: %s", lName); return 0; }

Syntax

void *memchr(const void *str, int ch, size_t n)

Parameter Values

ValueTypeExplanation
strRequiredSpecifies a string (block of memory) where the search is performed.
chRequiredSpecifies a character to search for.
nRequiredSpecifies the number of bytes to be scanned.

Return Value

ValueExplanation
AddressReturns a pointer to the matching byte.
NULLIf the character does not occur in the given memory area.

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