/* islower( int ) This file is part of the Public Domain C Library (PDCLib). Permission is granted to use, modify, and / or redistribute at will. */ #include #ifndef REGTEST #include "_PDCLIB_locale.h" int islower( int c ) { return ( _PDCLIB_threadlocale()->_CType[c].flags & _PDCLIB_CTYPE_LOWER ); } #endif #ifdef TEST #include "_PDCLIB_test.h" int main( void ) { TESTCASE( islower( 'a' ) ); TESTCASE( islower( 'z' ) ); TESTCASE( ! islower( 'A' ) ); TESTCASE( ! islower( 'Z' ) ); TESTCASE( ! islower( ' ' ) ); TESTCASE( ! islower( '@' ) ); return TEST_RESULTS; } #endif