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atof(3) Library Functions Manual atof(3)
atof - convert a string to a double
Standard C library (libc, -lc)
#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 behavior is the same as strtod(nptr, NULL); except that atof() does not detect errors.
The converted value.
For an explanation of the terms used in this section, see attributes(7). ┌──────────────────────────────┬───────────────┬────────────────┐ │ Interface │ Attribute │ Value │ ├──────────────────────────────┼───────────────┼────────────────┤ │ atof() │ Thread safety │ MT-Safe locale │ └──────────────────────────────┴───────────────┴────────────────┘
C11, POSIX.1-2008.
POSIX.1-2001, C89, C99, SVr4, 4.3BSD.
atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)
Linux man-pages (unreleased) (date) atof(3)
Pages that refer to this page: atoi(3), strfromd(3), strtod(3), strtol(3), strtoul(3)