atox.c

从iccavr7中破解得到的lib库源代码

#include <ctype.h>
#include <stdlib.h>

#define ATOX(suffix, type)	\
type ato##suffix(const char *s) { int uminus; type v;	\
	while (isspace(*s)) s++;		\
	uminus = 0;				\
	if (*s == '-') { uminus = 1; s++; }	\
	else if (*s == '+') s++;		\
	for (v = 0; isdigit(*s); ) v = v * 10 + *s++ - '0';	\
	if (uminus) return -v;	\
	return v; }