strict_strtoull man page on Scientific

strict_strtoull man page on Scientific

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STRICT_STRTOULL(9)	   Basic C Library Functions	    STRICT_STRTOULL(9)

NAME
       strict_strtoull - convert a string to an unsigned long long strictly

SYNOPSIS
       int strict_strtoull(const char * cp, unsigned int base,
			   unsigned long long * res);

ARGUMENTS
       cp
	   The string to be converted

       base
	   The number base to use

       res
	   The converted result value

DESCRIPTION
       strict_strtoull converts a string to an unsigned long long only if the
       string is really an unsigned long long string, any string containing
       any invalid char at the tail will be rejected and -EINVAL is returned,
       only a newline char at the tail is acceptible because people generally

CHANGE A MODULE PARAMETER IN THE FOLLOWING WAY
       echo 1024 > /sys/module/e1000/parameters/copybreak

       echo will append a newline to the tail of the string.

       It returns 0 if conversion is successful and *res is set to the
       converted value, otherwise it returns -EINVAL and *res is set to 0.

       simple_strtoull just ignores the successive invalid characters and
       return the converted value of prefix part of the string.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		    STRICT_STRTOULL(9)

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