Utility Functions and C Language Reference > C Language Reference > Alphabetical List of Functions > strspn

strspn

Example: strspn String Manipulation Functions

Returns the length of the leading characters in a string that are contained in a specified string.

size_t *strspn( const char *string, const char *skipset);

string Null-terminated string to be scanned.
skipset Null-terminated string containing character set.

strspn returns the length of the substring that starts at the beginning of string and contains only characters that are in skipset.

Return Values

Returns the length of the initial substring of argument string that is only composed of characters included in skipset.