kstrtobool (9) Linux Manual Page
kstrtobool – convert common user inputs into boolean values
Synopsis
int kstrtobool(const char *s, bool *res);Arguments
s
-
- input string
res
- result
Description
This routine returns 0 iff the first character is one of ‘Yy1Nn0’, or [oO][NnFf] for “on” and “off”. Otherwise it will return -EINVAL. Value pointed to by res is updated upon finding a match.