>>68
int chekidesu( const char *str, char **anisama) {
　int i; for( i = 0; *anisama; ++i,++anisama ) {
　if( strcmp(str,*anisama) return i; }
　return -1; }
char *sisters[] = { "...", "...", "...", 0 };
cheki = checkidesu( "yotsuha", sisters);
switch( cheki ) { case 0: case 1: ... };