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 vote383 views1 answer
Graphics in C Draw Circle
C
1 vote374 views1 answer
Comnetar toda linha do vs code
C
0 vote408 views1 answer
Worst case
C
0 vote397 views1 answer
Esp local control
C
0 vote385 views1 answer
C Operator associativity
C
0 vote422 views1 answer
How to show function arguments in pycharm
C
4 votes381 views4 answers
Bootstrap 4 forms
C
0 vote409 views2 answers
Man strstr
C
12 votes433 views10 answers
Google
C
1 vote446 views1 answer
Scranton inhabitants
C