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/* strspn( const char *, const char * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <string.h>
size_t strspn( const char * s1
, const char * s2
)
{
size_t len = 0;
const char * p;
while ( s1[ len ] )
{
p = s2;
while ( *p )
{
if ( s1[len] == *p )
{
break;
}
++p;
}
if ( ! *p )
{
return len;
}
++len;
}
return len;
}