Use --std-c99 to compile
in this mode.
In addition to what is mentioned in the section above, the following
features of this standard are not supported by SDCC:
- Compound literals.
- Variable-length arrays.
Some features of this standard are not supported in some ports:
- There is no support for data types long long, unsigned long long,
int_fast64_t, int_least64_t, int64_t, uint_fast64_t, uint_least64_t,
uint64_t in the pic14 and pic16 ports.