ref: c11957a7915d355d80ff7e6a21721ba05441ca29
dir: /libkern/strtod.c/
#include <lib9.h> static int strtodf(void *vp) { return *(*((char**)vp))++; } double strtod(char *s, char **end) { double d; char *ss; int c; ss = s; d = charstod(strtodf, &s); /* * Fix cases like 2.3e+ , which charstod will consume */ if(end){ *end = --s; while(s > ss){ c = *--s; if(c!='-' && c!='+' && c!='e' && c!='E') break; (*end)--; } } return d; }