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 vote316 views1 answer
Rpobleme valgrind
C
0 vote255 views1 answer
Unpack and repack deb package
C
0 vote263 views1 answer
Cant update windows
C
0 vote256 views2 answers
Struct main function c in unix
C
0 vote265 views1 answer
How to use arry
C
1 vote246 views1 answer
Dvlprroshan
C
-1 vote269 views1 answer
Matrix of string in c
C
2 votes253 views1 answer
Mirzapur 2 release date and time
C
0 vote270 views2 answers
C %d
C
1 vote261 views1 answer
Fseek function in c
C