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Questions - strtol

How do u make strtol convert 0

void isInt(char *string) { if (strlen(string) > 2) printf("Invalid") if (!strtol(string, &endptr, 10)) printf("Invalid") printf("Valid&quo...
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Vikil Chandrapati

c

strtol

Votes: 0

Answers: 2

Latest Answer

Would you please try: #include <stdio.h> #include <stdlib.h> #include <string.h> void isInt(char *string) { char *endptr; long val; if (strlen(string) > 2) { ...
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tshiono

How can I convert hex encoded string to string in C efficiently

I need to convert hex encoded string like this: char hstr[9] = "61626364"; // characters abcd\0 Into "abcd" // characters as hex: 0x61 0x62 0x63 0x64 // hex "digits&qu...
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Kamil

c

string

strtol

strtoul

Votes: 0

Answers: 5

Latest Answer

Instead of copying two characters and using strtol you could create a function that converts the characters 0 .. 9 and A .. F to an int (0x0 to 0xF). #include <ctype.h> int toval(char ch) { ...
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Ted Lyngmo

Proper end pointer with strtol() and &quot;0x&quot;?

strtol("0x", &endptr, 16); This completes with endptr pointing to "0x". I expected "x". Is my C library's strtol() amiss, my expectations or something else? The &quo...
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chux - Reinstate Monica

c

language-lawyer

strtol

Votes: 0

Answers: 0

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