/usr/local/bin/cfa -g -Wall -Wno-unused-function     abs.c   -o abs
CFA Version 1.0.0 (debug)
char			¿	abs A
signed int		-65	abs 65
signed long int		-65	abs 65
signed long long int	-65	abs 65
float			-65	abs 65
double			-65	abs 65
long double		-65	abs 65
float _Complex		-65-2i	abs 65.0308
double _Complex		-65-2i	abs 65.0307619515564
long double _Complex	-65-2i	abs 65.0307619515564342