Category : C Source Code
Archive   : CSRC2.ZIP
Filename : ISALPH.C

 
Output of file : ISALPH.C contained in archive : CSRC2.ZIP
/*
* i s a l p h . c
*/

/*)LIBRARY
*/

#ifdef DOCUMENTATION

title isalpha Test for Alphabetic Argument
index Test for alphabetic argument

synopsis
.s.nf
isalpha(c);
int c;
.s.f
Description

Return non-zero if c is alphabetic character, 0 otherwise.

Bugs

The value is defined only if isascii(c) is TRUE.

#endif

#include
#ifdef isalpha
#undef isalpha
#endif

int
isalpha(c)
int c;
{
return (_ctype_[c & 0177] & (_U | _L));
}


  3 Responses to “Category : C Source Code
Archive   : CSRC2.ZIP
Filename : ISALPH.C

  1. Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/