mikroElektronika PIC Microcontrollers PIC12 User Manual page 292

mikroC - C Compiler for Microchip PIC microcontrollers
isupper
Prototype
char isupper(char character);
Description Function returns 1 if the
isxdigit
Prototype
char isxdigit(char character);
Description Function returns 1 if the
zero.
toupper
Prototype
char toupper(int character);
Description If the
Otherwise, function returns an unchanged input parameter.
tolower
Prototype
char tolower(int character);
Description If the
Otherwise, function returns an unchanged input parameter.
page
284
character
character
is a lowercase letter (a-z), function returns an uppercase letter.
character
is an uppercase letter (A-Z), function returns a lowercase letter.
character
MikroElektronika: Development tools - Books - Compilers
is an uppercase letter (A-Z), otherwise returns 0.
is a hex digit (0-9, A-F, a-f), otherwise returns
mikroC
making it simple...