Table of Contentsatof - convert a string to a double. #include <stdlib.h>
double atof(const char *nptr); The atof() function converts the initial portion of the string pointed to by nptr to double. The behaviour is the same as strtod(nptr, (char **)NULL);
except that atof() does not detect errors.
The converted value. SVID 3, POSIX, BSD 4.3, ISO 9899 atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)
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