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    int iscntrl(int chr);

Tests if a character a control character

C Sourcecode Example

#include <stdio.h> /* including standard library */
//#include <windows.h> /* uncomment this for Windows */
#include <ctype.h>
int main ( void )
  int i;
  char string[11]="Test\n-!&%1";
  for (i=0; i <= 11;i++)
     if ( iscntrl(string[i]) != 0 )
       printf("Character %i is a control char\n",i);
  return 0;


  user@host:~$ ./iscntrl 
  Character 4 is a control char
  Character 10 is a control char
  Character 11 is a control char

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c/ctype.h/iscntrl.txt · Last modified: 2024/02/16 01:05 (external edit)

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