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Name

atof - convert a string to a double

Synopsis


#include <stdlib.h>
double atof(const char *nptr);

Description

The atof() function converts the initial portion of the string pointed to by nptr to double. The behavior is the same as

strtod(nptr, NULL);

except that atof() does not detect errors.

Return Value

The converted value.

Attributes

Multithreading (see pthreads(7) )

The atof() function is thread-safe with exceptions. It can be safely used in multithreaded applications, as long as setlocale(3) is not called to change the locale during its execution.

Conforming to

SVr4, POSIX.1-2001, 4.3BSD, C89, C99.

See Also

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

Colophon

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