isgraph : isgraph « ctype.h « C Tutorial

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C Tutorial » ctype.h » isgraph   18. 6. 1. isgraph Item Value Header file ctype.h Declaration int isgraph(int ch); Return returns nonzero if ch is a printable character other than space or zero is returned. For ASCII environments, printable characters are in the range 0x21 through 0x7E. #include <ctype.h>   #include <stdio.h>   int main(void)   {     char ch;     for(;;) {       ch = getchar();       if(isgraph(ch)){          printf("%c is printable\n", ch);       }       if(ch == '.'){          break;       }     }     return 0;   } 1 1 is printable 2 2 is printable 3 3 is printable 4 4 is printable . . is printable 18. 6. isgraph 18. 6. 1.  isgraph

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