File I/O

File I/O

Topics Covered

• Opening and closing files with fopen/fclose
• Reading: fgetc, fgets, fscanf, fread
• Writing: fputc, fputs, fprintf, fwrite
• Binary vs text mode
• File positioning: fseek, ftell, rewind
• Error handling with errno and perror
• stdin, stdout, stderr

Content coming soon. This module will cover C's file I/O model using FILE streams, including both text and binary modes, error handling, and the relationship between standard streams and file operations.