Convert string to int c

String to int c

atoi(str) is unsafe

This is the prefered method:
(int)strtol(str, (char **)NULL, 10)

C convert char to int

int i = (int)(c - '0');

Source: stackoverflow.com

Convert string to int c

const char *number = "10";
char *end;
long int value = strtol(number, &end, 10); 
if (end == number || *end != '\0' || errno == ERANGE)
    printf("Not a number");
else
    printf("Value: %ld", value);

Source: stackoverflow.com

Similar codes

0 vote156 views1 answer
C program to compare 2 strings using user defined function
C
0 vote160 views1 answer
Houdini vex loop over points
C
0 vote161 views1 answer
C ausgabe von variablen
C
4 votes155 views1 answer
Typedef c struct
C
3 votes146 views2 answers
Fread
C
0 vote159 views1 answer
Cant update windows
C
9 votes165 views9 answers
Selection sort
C
0 vote162 views1 answer
Bucket sort
C
7 votes165 views1 answer
Write a program to find reverse of given number
C
0 vote159 views1 answer
Pygraphviz show
C