text: /* isspace( int )
  
     This file is part of the Public Domain C Library (PDCLib).
     Permission is granted to use, modify, and / or redistribute at will.
  */
  
  #include <ctype.h>
  
  #ifndef REGTEST
  
  #include <locale.h>
  
  int isspace( int c )
  {
      return ( _PDCLIB_lc_ctype->entry[c].flags & _PDCLIB_CTYPE_SPACE );
  }
  
  #endif
  
  #ifdef TEST
  
  #include "_PDCLIB_test.h"
  
  int main( void )
  {
      TESTCASE( isspace( ' ' ) );
      TESTCASE( isspace( '\f' ) );
      TESTCASE( isspace( '\n' ) );
      TESTCASE( isspace( '\r' ) );
      TESTCASE( isspace( '\t' ) );
      TESTCASE( isspace( '\v' ) );
      TESTCASE( ! isspace( 'a' ) );
      return TEST_RESULTS;
  }
  
  #endif
  