Files

Question	Answer
"r"	opens an existing file for reading only
"w"	creates and opens a new file for writing
"a"	opens an existing file for writing
"r+"	opens an existing file for reading and writing
"w+"	creates a new file for reading and writing
"a+"	opens and existing file for writing and allows reading
FILE	special type that establishes the buffer
ptvar	pointer that points to the beginning of the buffer
buffer	amount of memory space allocated inside the computer memory
Stream files	character files non-formatted files
fopen()	associates a buffer to a data file
fclose()	closes a file by terminating the buffer
fputc()	writes a character into a file fputc ( 'b' , ptvar );
fgetc()	reads a character from a file c = fgetc (ptvar);
fputs()	writes a string into a file fputs(name , ptvar);
fgets()	reads a string from a file fgets(name, max_size_name, ptvar);
fprintf()	writes into a file according to format specifiers
fscanf()	reads from a file according to format specifiers
fread()	reads a data block from a non-formatted file
fwrite()	writes a data block into a non-formatted file
feof()	returns "true" if EOF character is read
ferror()	returns "true" if an error occurs
fseek()	searches for a specific byte in the buffer

Resource summary

	Created by apupkevich95 about 9 years ago