C/C++ Interactive Guide/c-cplusplus-interactive-guide.iso/c_ref/csource4/223_01/ispunct.c

C/C++ Source or Header | 1979-12-31 | 384 b | 9 lines

#define NOCCARGC  /* no argument count passing */
/*
** return 'true' if c is a punctuation character
** (all but control and alphanumeric)
*/
ispunct(c) int c; {
  return (!isalnum(c) && !iscntrl(c));
  }