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42 #include "visibility.h"
43 typedef struct gmx_cpp *gmx_cpp_t;
45 /* The possible return codes for these functions */
46 enum { eCPP_OK, eCPP_FILE_NOT_FOUND, eCPP_EOF, eCPP_SYNTAX, eCPP_INTERRUPT,
48 eCPP_FILE_NOT_OPEN, eCPP_UNKNOWN, eCPP_NR };
50 /* THESE FUNCTIONS ARE NOT THREAD SAFE!! */
52 /* Open the file to be processed. The handle variable holds internal
53 info for the cpp emulator. The cppopt variable (null terminated)
54 can hold cpp options like -IXXX and -DXXX. Return integer status.
59 int cpp_open_file(const char *filenm,gmx_cpp_t *handlep, char **cppopts);
61 /* Return one whole line from the file into buf which holds at most n
62 characters, for subsequent processing. Returns integer status.
67 int cpp_read_line(gmx_cpp_t *handlep,int n,char buf[]);
69 /* Return the file currently being read.
74 char *cpp_cur_file(const gmx_cpp_t *handlep);
76 /* Return the current line number.
81 int cpp_cur_linenr(const gmx_cpp_t *handlep);
83 /* Close the file! Return integer status.
88 int cpp_close_file(gmx_cpp_t *handlep);
90 /* Return a string containing the error message coresponding to status
96 char *cpp_error(gmx_cpp_t *handlep,int status);