mikroC

making it simple...

ANSI C Ctype Library

mikroC - C Compiler for Microchip PIC microcontrollers

mikroC provides a set of standard ANSI C library functions for testing and mapping characters.

Note: Not all of the standard functions have been included. Functions have been implemented according to the ANSI C standard, but certain functions have been modified in order to facilitate PIC programming.

Library Routines

isalnum isalpha iscntrl isdigit isgraph islower isprint ispunct isspace isupper isxdigit toupper tolower

isalnum

Prototype

char isalnum(char character);

Description Function returns 1 if the character is alphanumeric (A-Z, a-z, 0-9), otherwise returns zero.

 

 

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