C++ Programming/Code/Standard C Library/Functions/strspn

strspn

Syntax

#include <cstring> size_t strspn( const char *str1, const char *str2 );

The strspn() function returns the index of the first character in str1 that doesn't match any character in str2.

Related topics

strchr - strpbrk - strrchr - strstr - strtok