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atof(3) | Library Functions Manual | atof(3) |
NAME¶
atof - convert a string to a double
LIBRARY¶
Standard C library (libc, -lc)
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¶
For an explanation of the terms used in this section, see attributes(7).
Interface | Attribute | Value |
atof () | Thread safety | MT-Safe locale |
STANDARDS¶
C11, POSIX.1-2008.
HISTORY¶
POSIX.1-2001, C89, C99, SVr4, 4.3BSD.
SEE ALSO¶
atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)
2023-03-30 | Linux man-pages 6.04 |