CCS C Compiler Manual PCB / PCM / PCH

PreProcessor
#define isequal(a,b) (primary_##a[b]==backup_##a[b])
// usage iseaqual(names,5) is the same as
// (primary_names[5]==backup_names[5])
#define str(s) #s
#define part(device) #include str(device##.h)
// usage part(16F887) is the same as
// #include "16F887.h"
#define DBG(...)
fprintf(debug,__VA_ARGS__)
Example
Files:
Also See:
ex_stwt.c, ex_macro.c
#UNDEF, #IFDEF, #IFNDEF
definedinc
Syntax: value = definedinc( variable );
Parameters:
Returns:
Function:
variable is the name of the variable, function, or type to be checked.
A C status for the type of id entered as follows:
0 – not known
1 – typedef or enum
2 – struct or union type
3 – typemod qualifier
4 – defined function
5 – function prototype
6 – compiler built-in function
7 – local variable
8 – global variable
This function checks the type of the variable or function being passed in and returns a
specific C status based on the type.
Availability: All devices
Requires: None.
Examples: int x, y = 0;
y = definedinc( x );
// y will return 7 – x is a local variable
Example Files:
Also See:
None
None
99