1*433d6423SLionel Sambuc /* Extracted from sys/arch/i386/stand/lib/bootmenu.c */ 2*433d6423SLionel Sambuc int atoi(const char *); 3*433d6423SLionel Sambuc 4*433d6423SLionel Sambuc #define isnum(c) ((c) >= '0' && (c) <= '9') 5*433d6423SLionel Sambuc 6*433d6423SLionel Sambuc int atoi(const char * in)7*433d6423SLionel Sambucatoi(const char *in) 8*433d6423SLionel Sambuc { 9*433d6423SLionel Sambuc const char *c; 10*433d6423SLionel Sambuc int ret; 11*433d6423SLionel Sambuc 12*433d6423SLionel Sambuc ret = 0; 13*433d6423SLionel Sambuc c = in; 14*433d6423SLionel Sambuc if (*c == '-') 15*433d6423SLionel Sambuc c++; 16*433d6423SLionel Sambuc for (; isnum(*c); c++) 17*433d6423SLionel Sambuc ret = (ret * 10) + (*c - '0'); 18*433d6423SLionel Sambuc 19*433d6423SLionel Sambuc return (*in == '-') ? -ret : ret; 20*433d6423SLionel Sambuc } 21*433d6423SLionel Sambuc 22