C/C++ Interactive Reference Guide/C-C++ Interactive Reference Guide.iso/c_ref/csource3/163_01/ispunct.c

C/C++ Source or Header | 1988-02-01 | 384 b | 9 lines

extern int isalpha(), iscntrl();
/*
** ispunct -- true if argument is neither ASCII control or alphabetic
*/
ispunct(c) char c; {
  if(isalpha(c) || iscntrl(c)) return 0;
  else return 1;
  }