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A programming language is homoiconic if a program written in it can be manipulated as data using the language, and thus the program's internal representation can be inferred just by reading the program itself.
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err_free_strings(3) [redhat man page]

ERR_load_crypto_strings(3)					      OpenSSL						ERR_load_crypto_strings(3)

ERR_load_crypto_strings, SSL_load_error_strings, ERR_free_strings - load and free error strings SYNOPSIS
#include <openssl/err.h> void ERR_load_crypto_strings(void); void ERR_free_strings(void); #include <openssl/ssl.h> void SSL_load_error_strings(void); DESCRIPTION
ERR_load_crypto_strings() registers the error strings for all libcrypto functions. SSL_load_error_strings() does the same, but also regis- ters the libssl error strings. One of these functions should be called before generating textual error messages. However, this is not required when memory usage is an issue. ERR_free_strings() frees all previously loaded error strings. RETURN VALUES
ERR_load_crypto_strings(), SSL_load_error_strings() and ERR_free_strings() return no values. SEE ALSO
err(3), ERR_error_string(3) HISTORY
ERR_load_error_strings(), SSL_load_error_strings() and ERR_free_strings() are available in all versions of SSLeay and OpenSSL. 0.9.7a 2000-02-24 ERR_load_crypto_strings(3)

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