|
da questo dispositivo ha anche altre istruzioni :
Facilità d'uso
| FUPDATE(filenum,buffer,length ) Update logical record in file |
| FWRITE(filenum,buffer,length,ctlcode ) Write logical record to sequential file |
| FWRITEDIR(filenum,buffer,length,lrecnum ) Write logical record to direct access file |
| HPFOPEN(filenum,status [,itemnum,item ][...]) Open file; return filenum, 32-bit file |
| number |
| PRINT(message,length,ctlcode ) Write string to $STDLIST |
| READ(message,expectedlength ) Read string from $STDIN; return actual |
| length |
| READX(message,expectedlength ) Read string from $STDINX; return actual |
| length |
-------------------------------------------------------------------------------------------
Table 9-2 and Table 9-3 describe briefly the HP C/XL standard library I/O
macros and functions that you may wish to use in converting your SPL
programs. See the HP C/XL Library Reference Manual for details.
Table 9-2. HP C/XL I/O Macros
-------------------------------------------------------------------------------------------
|
Macro
Description |
-------------------------------------------------------------------------------------------
| getc(stream ) Read one character from file stream |
| getchar() Read one character from stdin |
| putc(c,stream ) Write one character c to file stream |
| putchar(c ) Write one character c to stdout |
-------------------------------------------------------------------------------------------
Table 9-3. HP C/XL I/O Functions
-------------------------------------------------------------------------------------------
|
Function
Description |
-------------------------------------------------------------------------------------------
| access(filename,access ) Test accessibility of file |
| clearerr(stream ) Clear error and eof conditions on file |
|
stream |
| close(fildes ) Close file fildes |
| dup(fildes ) Duplicate file descriptor fildes |
| fclose(stream ) Close file stream; flush buffer |
| fdopen(fildes ) Get stream pointer from fildes file |
| descriptor |
| feof(stream ) Test file stream for end-of-file |
-------------------------------------------------------------------------------------------
| ferror(stream ) Test file stream for error |
| fflush(stream ) Flush buffer to file stream |
| fgetc(stream ) Read one character from file stream |
| fgets(string,n,stream ) Read n -1 chars from file stream (or up to |
| '\n') |
| fopen(filename,type ) Open file filename; return stream (pointer |
| to FILE) |
| fprintf(stream,format [,item ][...]) Convert from internal item; write to file |
|
stream |
| fputc(c,stream ) Write one character c to file stream |
-------------------------------------------------------------------------------------------
| fputs(string,stream ) Write string (up to '\0') to file stream |
| fread(ptr,size,nitems,stream ) Read fixed-length binary records from file |
|
stream |
| freopen(filename,type,stream ) Change file attached to stream |
| fscanf(stream,format [,item ][...]) Read from stream; convert to internal item |
| fseek(stream,offset,ptrname ) Set byte position in file stream |
| ftell(stream ) Return byte position of file stream |
| fwrite(ptr,size,nitems,stream ) Write fixed-length binary records to file |
|
stream |
-------------------------------------------------------------------------------------------
| gets(string ) Read string from stdin |
| getw(stream ) Read int word from file stream |
| lseek(fildes,offset,ptrname ) Set byte position in file fildes |
| open(filename,oflag,mode,mpeopts ) Open file filename; return fildes (int file|
| descriptor) |
| printf(format [,item ][...]) Convert from internal item; write to stdout|
| puts(string ) Write string (up to '\0') to stdout |
| putw(word,stream ) Write int word to file stream |
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9- 4
... Questo manuale è adatto anche per i modelli :
Software - MPE/iX 6.5 Operating System (235.59 kb)