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(guile.info)C to Scheme

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C to Scheme
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 - Function: SCM gh_bool2scm (int X)
     Returns `#f' if X is zero, `#t' otherwise.

 - Function: SCM gh_ulong2scm (unsigned long X)
 - Function: SCM gh_long2scm (long X)
 - Function: SCM gh_double2scm (double X)
 - Function: SCM gh_char2scm (char X)
     Returns a Scheme object with the value of the C quantity X.

 - Function: SCM gh_str2scm (char *S, int LEN)
     Returns a new Scheme string with the (not necessarily
     null-terminated) C array S data.

 - Function: SCM gh_str02scm (char *S)
     Returns a new Scheme string with the null-terminated C string S
     data.

 - Function: SCM gh_set_substr (char *SRC, SCM DST, int START, int LEN)
     Copy LEN characters at SRC into the _existing_ Scheme string DST,
     starting at START.  START is an index into DST; zero means the
     beginning of the string.

     If START + LEN is off the end of DST, signal an out-of-range error.

 - Function: SCM gh_symbol2scm (char *NAME)
     Given a null-terminated string NAME, return the symbol with that
     name.

 - Function: SCM gh_ints2scm (int *DPTR, int N)
 - Function: SCM gh_doubles2scm (double *DPTR, int N)
     Make a scheme vector containing the N ints or doubles at memory
     location DPTR.

 - Function: SCM gh_chars2byvect (char *DPTR, int N)
 - Function: SCM gh_shorts2svect (short *DPTR, int N)
 - Function: SCM gh_longs2ivect (long *DPTR, int N)
 - Function: SCM gh_ulongs2uvect (ulong *DPTR, int N)
 - Function: SCM gh_floats2fvect (float *DPTR, int N)
 - Function: SCM gh_doubles2dvect (double *DPTR, int N)
     Make a scheme uniform vector containing the N chars, shorts,
     longs, unsigned longs, floats or doubles at memory location DPTR.