ISALPHA - check for alphabetic character.
(ANSI Standard)
Usage:
#include <ctype.h>
i = isalpha(c);
Where:
- int c;
- is the character you want to check.
- int i;
- is 1 if "c" is alphabetic, and 0 otherwise.
Description:
"isalpha" determines whether a character is
alphabetic.
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