atof - convert a string to a double

       For an explanation of the terms used in this section, see attributes(7).
       ┌──────────────────────────────────────────────────────────────────────┬───────────────┬────────────────┐
       │ Interface                                                            │ Attribute     │ Value          │
       ├──────────────────────────────────────────────────────────────────────┼───────────────┼────────────────┤
       │ atof()                                                               │ Thread safety │ MT-Safe locale │
       └──────────────────────────────────────────────────────────────────────┴───────────────┴────────────────┘

       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.

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

       Standard C library (libc, -lc)

       atof - convert a string to a double

       The converted value.

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

Linux man-pages 6.9.1                              2024-05-02                                            atof(3)

       C11, POSIX.1-2008.

#include<stdlib.h>doubleatof(constchar*nptr);