친절한 매뉴얼

☞ strtod, strtof, strtold, atof, ecvt, fcvt, gcvt double strtod(const char *str, char **tailptr); float strtof(const char *str, char **tailptr); long double strtold(const char *str, char **tailptr); double atof(const char *str); char *ecvt(double value, int ndigit, int *decpt, int *neg); char *fcvt(double value, int ndigit, int *decpt, int *neg); char *gcvt(double value, int ndigit, char *buf); ..