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    Command:

    ERR_error_string

    
           error message
    
    
    

    SYNOPSIS

            #include <openssl/err.h>
    
            char *ERR_error_string(unsigned long e, char *buf);
            void ERR_error_string_n(unsigned long e, char *buf, size_t len);
    
            const char *ERR_lib_error_string(unsigned long e);
            const char *ERR_func_error_string(unsigned long e);
            const char *ERR_reason_error_string(unsigned long e);
    
    
    

    DESCRIPTION

           ERR_error_string() generates a human-readable string representing the
           error code e, and places it at buf. buf must be at least 120 bytes
           long. If buf is NULL, the error string is placed in a static buffer.
           ERR_error_string_n() is a variant of ERR_error_string() that writes at
           most len characters (including the terminating 0) and truncates the
           string if necessary.  For ERR_error_string_n(), buf may not be NULL.
    
           The string will have the following format:
    
            error:[error code]:[library name]:[function name]:[reason string]
    
           error code is an 8 digit hexadecimal number, library name, function
           name and reason string are ASCII text.
    
           ERR_lib_error_string(), ERR_func_error_string() and
           ERR_reason_error_string() return the library name, function name and
           reason string respectively.
    
           The OpenSSL error strings should be loaded by calling
           ERR_load_crypto_strings(3) or, for SSL applications,
           SSL_load_error_strings(3) first.  If there is no text string registered
           for the given error code, the error string will contain the numeric
           code.
    
           ERR_print_errors(3) can be used to print all error codes currently in
           the queue.
    
    
    

    RETURN VALUES

           ERR_error_string() returns a pointer to a static buffer containing the
           string if buf == NULL, buf otherwise.
    
           ERR_lib_error_string(), ERR_func_error_string() and
           ERR_reason_error_string() return the strings, and NULL if none is
           registered for the error code.
    
    
    

    SEE ALSO

           err(3), ERR_get_error(3), ERR_load_crypto_strings(3),
           SSL_load_error_strings(3) ERR_print_errors(3)
    
    
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