Convert string to integer in c

hoshangi · 04-19-2008, 08:59 PM

hi
i have a problem;when i want to convert a string from text file to an integer (using sprintf) when i run ;the content of variable getting 0 please help me

Dan04 · 04-19-2008, 09:52 PM

sprintf is for converting to strings. To convert the other way, use atoi or strtol.

hoshangi · 04-20-2008, 01:24 AM

thanks my friend for your help
do you have an example?

SciYro · 04-20-2008, 01:32 AM

int a = atoi ("56");
long int b = strtol ("56", NULL, 10);

edit: read the man or info pages ("man atoi", "man strtol", "info libc" (or use tkinfo as its easies to use I think) arithmetic functions->parsing of integers)