c-double.com publishes practical how-to guides and educational articles about c programming.https://c-double.com/enhttps://c-double.com/blog/how-to-compare-strings-in-c/https://c-double.com/blog/how-to-compare-strings-in-c/Learn the correct way to compare C strings with strcmp and strncmp.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingstring comparisonstrcmphttps://c-double.com/blog/how-to-compile-c-code/https://c-double.com/blog/how-to-compile-c-code/Compile C source into a working executable with the right flags, files, and troubleshooting steps.Mon, 25 May 2026 00:00:00 GMTEducational Blogccompilersprogramminghttps://c-double.com/blog/how-to-convert-string-to-number-in-c/https://c-double.com/blog/how-to-convert-string-to-number-in-c/Practical C string-to-number parsing with validation, examples, and common pitfalls.Mon, 25 May 2026 00:00:00 GMTEducational Blogc programmingstring to numberstrtolhttps://c-double.com/blog/how-to-create-a-calculator-in-c/https://c-double.com/blog/how-to-create-a-calculator-in-c/Build a beginner-friendly calculator in C with clear input handling, basic operations, and room to expand.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingcalculator tutorialbeginner projectshttps://c-double.com/blog/how-to-debug-c-programs/https://c-double.com/blog/how-to-debug-c-programs/Practical debugging techniques for finding crashes, memory bugs, and logic errors in C.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingdebuggingGDBhttps://c-double.com/blog/how-to-fix-segmentation-fault-in-c/https://c-double.com/blog/how-to-fix-segmentation-fault-in-c/Practical steps to diagnose and fix segmentation faults in C programs.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingdebuggingsegmentation faulthttps://c-double.com/blog/how-to-learn-c-programming/https://c-double.com/blog/how-to-learn-c-programming/A practical guide to learning C with small projects, pointers, debugging, and steady practice.Mon, 25 May 2026 00:00:00 GMTEducational Blogcprogrammingbeginnerhttps://c-double.com/blog/how-to-practice-c-programming/https://c-double.com/blog/how-to-practice-c-programming/Practical ways to build C skills through short exercises, debugging, and repetition.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingprogramming practicelearn Chttps://c-double.com/blog/how-to-read-a-file-in-c/https://c-double.com/blog/how-to-read-a-file-in-c/Learn the core patterns for safe, reliable file input in C.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingfile I/Obeginner guidehttps://c-double.com/blog/how-to-sort-an-array-in-c/https://c-double.com/blog/how-to-sort-an-array-in-c/Learn practical ways to sort arrays in C with manual algorithms and qsort.Mon, 25 May 2026 00:00:00 GMTEducational Blogc programmingarray sortingqsorthttps://c-double.com/blog/how-to-use-arrays-in-c/https://c-double.com/blog/how-to-use-arrays-in-c/Learn C arrays, indexing, loops, functions, and common mistakes.Mon, 25 May 2026 00:00:00 GMTEducational BlogCarraysprogramminghttps://c-double.com/blog/how-to-use-data-types-in-c/https://c-double.com/blog/how-to-use-data-types-in-c/Learn the practical C data types you will use every day, from integers and pointers to structs and enums.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingdata typesbeginner guidehttps://c-double.com/blog/how-to-use-double-in-c/https://c-double.com/blog/how-to-use-double-in-c/Learn how to declare, print, compare, and use double values in C safely.Mon, 25 May 2026 00:00:00 GMTEducational Blogcdoublefloating-pointhttps://c-double.com/blog/how-to-use-file-handling-in-c/https://c-double.com/blog/how-to-use-file-handling-in-c/Learn file handling in C with practical reading, writing, and append examples.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingfile handlingstdiohttps://c-double.com/blog/how-to-use-floats-in-c/https://c-double.com/blog/how-to-use-floats-in-c/Learn how C floats work, print them, compare them, and avoid common precision mistakes.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingfloatsprecisionhttps://c-double.com/blog/how-to-use-functions-in-c/https://c-double.com/blog/how-to-use-functions-in-c/Learn how C functions work, how to define them, and how to use them well.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingfunctionsbeginner guidehttps://c-double.com/blog/how-to-use-header-files-in-c/https://c-double.com/blog/how-to-use-header-files-in-c/Learn how header files organize declarations, shared types, and multi-file C projects.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingheader filessoftware developmenthttps://c-double.com/blog/how-to-use-if-statements-in-c/https://c-double.com/blog/how-to-use-if-statements-in-c/Learn C if statements, else if chains, braces, comparisons, and common mistakes with clear examples.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingif statementsbeginner tutorialhttps://c-double.com/blog/how-to-use-integers-in-c/https://c-double.com/blog/how-to-use-integers-in-c/A practical guide to integer types, literals, overflow, and everyday C usage.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingintegersdata typeshttps://c-double.com/blog/how-to-use-loops-in-c/https://c-double.com/blog/how-to-use-loops-in-c/Learn the three C loop types and when to use each one.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingloopsbeginner guidehttps://c-double.com/blog/how-to-use-malloc-in-c/https://c-double.com/blog/how-to-use-malloc-in-c/Learn malloc basics, safe allocation patterns, and common mistakes in C.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingmallocdynamic memoryhttps://c-double.com/blog/how-to-use-memory-allocation-in-c/https://c-double.com/blog/how-to-use-memory-allocation-in-c/Learn malloc, calloc, realloc, and free with practical C examples.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingmemory allocationdynamic memoryhttps://c-double.com/blog/how-to-use-pointers-in-c/https://c-double.com/blog/how-to-use-pointers-in-c/Learn pointers in C with clear examples, memory basics, and common mistakes to avoid.Mon, 25 May 2026 00:00:00 GMTEducational BlogCpointersmemoryhttps://c-double.com/blog/how-to-use-printf-in-c/https://c-double.com/blog/how-to-use-printf-in-c/Learn the basics of formatted output in C with practical examples.Mon, 25 May 2026 00:00:00 GMTEducational Blogc programmingprintfstdiohttps://c-double.com/blog/how-to-use-scanf-in-c/https://c-double.com/blog/how-to-use-scanf-in-c/Learn how scanf reads input in C, with format specifiers, pointers, safety tips, and common mistakes.Mon, 25 May 2026 00:00:00 GMTEducational Blogc programmingscanfinput handlinghttps://c-double.com/blog/how-to-use-strings-in-c/https://c-double.com/blog/how-to-use-strings-in-c/Learn C string basics, safe input, and core string functions.Mon, 25 May 2026 00:00:00 GMTEducational Blogc programmingstringsmemory safetyhttps://c-double.com/blog/how-to-use-structs-in-c/https://c-double.com/blog/how-to-use-structs-in-c/Learn how to define, initialize, and use structs in C with practical examples.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingstructsdata structureshttps://c-double.com/blog/how-to-use-variables-in-c/https://c-double.com/blog/how-to-use-variables-in-c/Learn how to declare, initialize, print, and update C variables.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingvariablesbeginner tutorialhttps://c-double.com/blog/how-to-write-a-c-program/https://c-double.com/blog/how-to-write-a-c-program/Learn the structure, compilation, and core building blocks of a first C program.Mon, 25 May 2026 00:00:00 GMTEducational BlogC programmingbeginner programmingsoftware developmenthttps://c-double.com/blog/how-to-write-to-a-file-in-c/https://c-double.com/blog/how-to-write-to-a-file-in-c/Learn how to open, write, append, and close files in C.Mon, 25 May 2026 00:00:00 GMTEducational Blogcfile handlingprogramming