String conversion functions
Other string conversion functions:
long
int atol(
char*
string );
double
strtod(
char*
start,
char*
end);
long int
strtol(
char*
start,
char*
end);
unsigned long int
strtoul(
char*
start,
char*
end,
int
base );
Page 1026 of Deitel and Deitel.