ATOF(3) Linux Programmer's Manual ATOF(3)

atof - 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, 4.3BSD, ISO 9899

atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)

1993-03-29 GNU

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