All exercises / C Language / Exercise 15

Files and I/O

Hard 28 points

Create a file "test.txt" with content "Hello C", then read and display its content.

C can read and write files. fopen() opens a file, fwrite() writes, fread() reads, fclose() closes. FILE* represents a file.

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Hint

Use FILE *f = fopen("test.txt", "w"); fwrite("Hello C", 1, 7, f); fclose(f); then read with fopen("test.txt", "r");

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