ABL electronic PIC Microcontrollers PIC16 - Manual (Page 291)

MikroElektronika: Development tools - Books - Compilers
283
page
mikroC - C Compiler for Microchip PIC microcontrollers
mikroC
making it simple...
Prototype char isprint(char character);
Description Function returns 1 if the
character
is printable (decimal 32-126), otherwise returns
zero.
isprint
Prototype
char ispunct(char character);
Description Function returns 1 if the
character
is punctuation (decimal 32-47, 58-63, 91-96, 123-
126), otherwise returns zero.
ispunct
Prototype char isspace(char character);
Description Function returns 1 if the
character
is white space (space, CR, HT, VT, NL, FF), other-
wise returns zero.
isspace
Prototype char islower(char character);
Description Function returns 1 if the
character
is a lowercase letter (a-z), otherwise returns zero.
islower