pSOSystem System Calls - Read

pREPC+ System Calls isxdigit
isxdigit Tests for a hexadecimal digit.
#include
int isxdigit(
int c /* character */
)
Description
Arguments
Return Value
Error Codes
Notes
See Also
This function tests the value in c (converted to an unsigned char) to see if it is a
hexadecimal digit. The hexadecimal digits are defined as the ASCII representation of
digits 0 through 9, lower case letters a through f and uppercase letters A through F.
c Specifies the value to be tested.
This function returns a nonzero value if the test result is true. It returns a 0 if the
result is false.
Refer to Appendix B.
Callable From
■ Task
■ ISR
isdigit
pSOSystem System Calls 3-85
3