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标题:C库函数 isspace()

C库函数 isspace()

#include <stdio.h>

#include <ctype.h>



int main () {

   int var1 = 't';

   int var2 = '1';

   int var3 = ' ';



   if( isspace(var1) ) {

      printf("var1 = |%c| is a white-space character\n", var1 );

   } else {

      printf("var1 = |%c| is not a white-space character\n", var1 );

   }



   if( isspace(var2) ) {

      printf("var2 = |%c| is a white-space character\n", var2 );

   } else {

      printf("var2 = |%c| is not a white-space character\n", var2 );

   }



   if( isspace(var3) ) {

      printf("var3 = |%c| is a white-space character\n", var3 );

   } else {

      printf("var3 = |%c| is not a white-space character\n", var3 );

   }



   return(0);

}

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