1STRNLEN_USER(9)           Memory Management in Linux           STRNLEN_USER(9)
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NAME

6       strnlen_user - Get the size of a string in user space.
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SYNOPSIS

9       long strnlen_user(const char __user * s, long n);
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ARGUMENTS

12       s
13           The string to measure.
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15       n
16           The maximum valid length
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DESCRIPTION

19       Get the size of a NUL-terminated string in user space.
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21       Returns the size of the string INCLUDING the terminating NUL. On
22       exception, returns 0. If the string is too long, returns a value
23       greater than n.
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26Kernel Hackers Manual 2.6.         June 2019                   STRNLEN_USER(9)
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