c:string:strcspn

C++ Reference

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strcspn

Syntax: 

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

The function strcspn() returns the index of the first character in str1 that matches any of the characters in str2.

Related Topics: strpbrk, strrchr, strstr, strtok

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