src/proc.h

enum procerr {
	OK,
	ERR_PROC_FORK,
	ERR_PROC_EXEC,
	ERR_PROC_SIGNALED,
	ERR_PROC_STOPPED,
	ERR_PROC_WAIT,
	ERR_PROC_UNKNOWN,
	ERR_FIFO_TIMEOUT,
	ERR_FIFO_UNKNOWN,
};

void	     procPath(char *);
void	     procDumpArgs(unsigned, char *const[]);
enum procerr procRun(unsigned, char *const[], int *, const char *);

void fatal(const char *, ...);
void error(const char *, ...);
void aerror(unsigned n, char *const *, const char *, ...);