Linux 2.6 - man page for atof (linux section 3)
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ATOF(3) Linux Programmer's Manual ATOF(3)
atof - convert a string to a double
double atof(const char *nptr);
The atof() function converts the initial portion of the string pointed to by nptr to dou-
ble. The behavior is the same as
except that atof() does not detect errors.
The converted value.
Multithreading (see pthreads(7))
The atof() function is thread-safe with exceptions. It can be safely used in multi-
threaded applications, as long as setlocale(3) is not called to change the locale.
SVr4, POSIX.1-2001, 4.3BSD, C89, C99.
atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)
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GNU 2013-10-08 ATOF(3)
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