C file is open

Similarly fprintf return a negative number on error. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 8 years, 11 months ago. Active 8 years, 11 months ago. Viewed 59k times. I'm trying to output some string on a txt file by using c program however, I need to see if the I have the permission to write on the txt file, if not, I need to print out the error message?

Improve this question. Peng Ren Peng Ren 1 1 gold badge 1 1 silver badge 4 4 bronze badges. Add a comment. Active Oldest Votes. You need to check the return value of fopen. Since the s, the popularity of C has grown and its use has widened. It is used for creating many of today's software programs and may be stored in C,. CPP ,. Lite-C includes an ABT Adaptive Binary Tree rendering engine, programmable particle effects, a body physics and collision engine, and play functions for sound, music, and movie files.

The FileInfo. If you would like to suggest any additions or updates to this page, please let us know. C File Extension. These two functions are used to handle only a single character at a time. Skip to content. Report a Bug. Previous Prev. Next Continue. Home Testing Expand child menu Expand. SAP Expand child menu Expand. Web Expand child menu Expand. Must Learn Expand child menu Expand. Big Data Expand child menu Expand.

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