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C02/vic20/include/file.h02
2018-01-28 13:45:16 -05:00

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/******************************************
* file - Standard File Functions for C02 *
******************************************/
/* Initialize File System *
char fsinit();
/* Get Next Available File Pointer *
* Returns: file pointer *
0 if none available */
char fsptr();
/* Check File Pointer *
* Args: fp - file pointer *
* Returns: 0 if valid *
255 if invalid */
char fschk();
/* Get File Pointer Status *
* Args: fp - file pointer *
* Returns: last READST result if fp = 0 *
* 255 if fp > FOMAX *
* file table entry, otherwise */
char fstat();
/* Open File *
* Args: fd - device number *
* &f - string containing filename *
* Returns: file pointer if successful *
0 if an error occurs */
char fopen();
/* Close File *
* Args: fp - file pointer *
* Returns: 0 if successful *
255 if an error occurred */
char fclose();
/* Close All Files *
* Returns: system dependent error number *
0 if no error */
char fclall();
/* End of File *
* Args: fp - file pointer *
* Returns: 0 if not at end of file *
255 if end of file reached */
char feof();
/* File Error *
* Returns: system dependent error number *
0 if no error */
char ferror();
/* Read Character from File *
* Args: fp - file pointer *
* Returns: ASCII value of character *
* system dependent garbage *
character if past end of file */
char fgetc();
/* Write Character to File *
* Args: fp - file pointer *
* c - ASCII character to write *
* Returns: ASCII value of character */
char fputc();
/* Read String from File *
* Args: fp - file pointer *
* &s - string read from file *
* Returns: length of string *
* 255 if error during write */
char fgets();
/* Write String to File *
* Args: fp - file pointer *
* &s - string to print from *
* Returns: ending position in string *
* 255 if error during write */
char fputs();
/* Write Line to File *
* Args: fp - file pointer *
* &s - string to print from *
* Returns: ending position in string *
* 255 if error during write */
char fputln();
/* Set Array for fread() *
* Args: &s - Destination string */
void fsdst();
/* Read Bytes from File *
* Args: fp - file pointer *
* n - number of bytes to read *
* Returns: number of bytes read */
char fread();
/* Set Array for fwrite() *
* Args: &s - Destination string */
void fssrc();
/* Write Bytes to File *
* Args: fp - file pointer *
* n - number of bytes to write *
* Returns: number of bytes written */
char fwrite();