/ **************************************************************** * * Purpose: To show examples of the strtol function. * Author: M.J. Leslie * Date: 06-Nov-94 * ****************************************************************/ #include <stdlib.h> main() { char num[10]; /* Test a valid number */ strcpy(num,"13"); printf("%s(Oct) is %i(Dec)\n", num, strtol(num, NULL, 8)); printf("%s(Dec) is %i(Dec)\n", num, strtol(num, NULL, 10)); printf("%s(hex) is %i(Dec)\n", num, strtol(num, NULL, 16)); puts("----------------------------------"); /* Test a slightly valid number * Returns the same results as * above. */ strcpy(num, "13hzcd"); printf("%s(Oct) is %i(Dec)\n", num, strtol(num, NULL, 8)); printf("%s(Dec) is %i(Dec)\n", num, strtol(num, NULL, 10)); printf("%s(hex) is %i(Dec)\n", num, strtol(num, NULL, 16)); puts("----------------------------------"); /* Test an invalid number * Returns ZERO */ strcpy(num, "hzcd"); printf("%s(Oct) is %i(Dec)\n", num, strtol(num, NULL, 8)); printf("%s(Dec) is %i(Dec)\n", num, strtol(num, NULL, 10)); printf("%s(hex) is %i(Dec)\n", num, strtol(num, NULL, 16)); puts("----------------------------------"); /* Test 0 base. * This will look at the number * and decide the base for its self! */ strcpy(num, "13"); printf("%s is %i(Dec)\n", num, strtol(num, NULL, 0)); strcpy(num, "013"); printf("%s is %i(Dec)\n", num, strtol(num, NULL, 0)); strcpy(num, "0x13"); printf("%s is %i(Dec)\n", num, strtol(num, NULL, 0)); } /**************************************************************** * * Results of the program: * * 13(Oct) is 11(Dec) * 13(Dec) is 13(Dec) * 13(hex) is 19(Dec) * ---------------------------------- * 13hzcd(Oct) is 11(Dec) * 13hzcd(Dec) is 13(Dec) * 13hzcd(hex) is 19(Dec) * ---------------------------------- * hzcd(Oct) is 0(Dec) * hzcd(Dec) is 0(Dec) * hzcd(hex) is 0(Dec) * ---------------------------------- * 13 is 13(Dec) * 013 is 11(Dec) * 0x13 is 19(Dec) * ****************************************************************/
file: /Techref/language/ccpp/Cref/EXAMPLES/strtol.c, 2KB, , updated: 1997/4/21 08:52, local time: 2024/12/23 06:45,
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