errno = 0; // To distinguish success/failure after call long num = strtol(str, &endptr, 10); // Check for conversion errors if (errno == ERANGE || (errno != 0 && num == 0)) { perror("strtol"); return EXIT_FAILURE; } // Check for no digits were found if (endptr == st...
strtol、wcstol、_strtol_l、_wcstol_l strtold、_strtold_l、 wcstold、_wcstold_l strtoll、_strtoll_l、wcstoll、_wcstoll_l _strtoui64、_wcstoui64、_strtoui64_l、_wcstoui64_l strtoul、_strtoul_l、wcstoul、_wcstoul_l strtoull、_strtoull_l、wcstoull、_wcstoull_l ...
strtol、wcstol、_strtol_l、_wcstol_l strtold、_strtold_l、 wcstold、_wcstold_l strtoll、_strtoll_l、wcstoll、_wcstoll_l _strtoui64、_wcstoui64、_strtoui64_l、_wcstoui64_l strtoul、_strtoul_l、wcstoul、_wcstoul_l strtoull、_strtoull_l、wcstoull、_wcstoull_l ...
DWG_ERR_NOTYETSUPPORTED=1<<1,/* 2 */DWG_ERR_UNHANDLEDCLASS=1<<2,/* 4 */DWG_ERR_INVALIDTYPE=1<<3,/* 8 */DWG_ERR_INVALIDHANDLE=1<<4,/* 16 */DWG_ERR_INVALIDEED=1<<5,/* 32 */DWG_ERR_VALUEOUTOFBOUNDS=1<<6,/* 64 *//* --- critical errors --- */DWG_ERR_CLASSESNOT...
一开始strtol()会扫描参数nptr字符串，跳过前面的空格字符，直到 遇上数字或正负符号才开始...
strtol、wcstol、_strtol_l、_wcstol_l strtold、_strtold_l、 wcstold、_wcstold_l strtoll、_strtoll_l、wcstoll、_wcstoll_l _strtoui64、_wcstoui64、_strtoui64_l、_wcstoui64_l strtoul、_strtoul_l、wcstoul、_wcstoul_l strtoull、_strtoull_l、wcstoull、_wcstoull_l...
Standard C I/O clearerr() clears errors fclose() close a file feof() true if at the end-of-file ferror() checks for a file error fflush() writes the contents of the output buffer fgetc() get a character from a stream fgetpos() get the file position indicator ...
/* Check for various possible errors */ if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN)) || (errno != 0 && val == 0)) { perror("strtol"); exit(EXIT_FAILURE); } if (endptr == str) { fprintf(stderr, "No digits were found\n"); ...
Those functions that are allowed implementation-defined extensions are atof(), atoi(), atol(), strtod(), strtol(), strtoul(), and the scanf() family. 6.9.4 New FunctionsCertain locale-dependent capabilities were added as new standard functions. Besides setlocale(), which allows control over...
{ enum strtol_error e = human_options (optarg, &human_output_opts, &output_block_size); if (e != LONGINT_OK) xstrtol_fatal (e, oi, c, long_options, optarg); } break; case 'i': if (header_mode == OUTPUT_MODE) { error (0, 0, msg_mut_excl, "-i", "--output"); ...