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Guile Reference Manual

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Here are functions for operating on characters.

Macro: int SCM_CHARP (SCM x)
Return non-zero iff x is a character value.

Macro: unsigned int SCM_CHAR (SCM x)
Return the value of x as a C character. If x is not a Scheme character, the result is undefined.

Macro: SCM SCM_MAKE_CHAR (int c)
Given a C character c, return its representation as a Scheme character value.

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