/* isxdigit( 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 isxdigit( int c ) { return ( _PDCLIB_threadlocale()->_CType[c].flags & _PDCLIB_CTYPE_XDIGT ); } #endif #ifdef TEST #include "_PDCLIB_test.h" int main( void ) { TESTCASE( isxdigit( '0' ) ); TESTCASE( isxdigit( '9' ) ); TESTCASE( isxdigit( 'a' ) ); TESTCASE( isxdigit( 'f' ) ); TESTCASE( ! isxdigit( 'g' ) ); TESTCASE( isxdigit( 'A' ) ); TESTCASE( isxdigit( 'F' ) ); TESTCASE( ! isxdigit( 'G' ) ); TESTCASE( ! isxdigit( '@' ) ); TESTCASE( ! isxdigit( ' ' ) ); return TEST_RESULTS; } #endif