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The snippet library.
Small, practical examples. Search by task or narrow things down below.
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Append text to a file
Use append mode in C without replacing the existing file.
C✓ Tested
Count newline characters
Count newline bytes in a C file while retaining EOF as an int.
C✓ Tested
Read text in bounded chunks
Read a C text file with fgets and a fixed buffer.
C✓ Tested
Write a text file
Open, write, and close a C file while checking every operation.
C✓ Tested
Write and read binary bytes
Round-trip a byte buffer through a C binary file.
C✓ Tested