Here, the instructor exposes an overview of the header files provided in the C standard library, with a brief description of their content.
- [Instructor] The C Standard Library API is distributed in several header files. It has macro type and function definitions for a wide variety of applications. All of this material is distributed in more than 25 header files. Since my objective is to get you acquainted with the library, we will only cover some of those header files and just part of their contents. Let's take a look at some of these header files. <stdint.h> contains definitions and constants related to different types of integer numbers.
<stdio.h> contains functions for handling files and input/output streams. <stdlib.h> contains a variety of utility functions like memory management, string conversion and random number generation. <string.h> not surprisingly, provides string handling functions. <math.h> contains popular mathematical operations like trigonometric and explanation functions. <stdbool.h> implements the boolean type, which was not originally a built in type in the C programming language.
<stdarg.h> allows the programmer to create functions with a variatic set of parameters. That is like print F which accepts as many arguments as needed. <stdatomic.h> implements atomic operations which are required in concurrent execution environments like multi-processor or multi-threading systems. <threads.h> provides the means necessary to implement multi-threading. And <assert.h> enables the programmer to implement assertions which are arrow detecting constructs.
This list is by no means complete and I encourage you to always consult a formal reference like https://en.cppreference.com for the specifics.
Author
Released
2/6/2019- Working with header files
- C constants and types
- Unformatted and formatted input/output
- Accessing files with C functions
- Generating random numbers
- Converting strings
- Sorting and searching for data
- Manipulating strings
- Using mathematical functions
Skill Level Intermediate
Duration
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Introduction
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1. The C Standard Library
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Overview of the library1m 51s
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Header files1m 50s
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Constants and types3m 47s
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2. Input and Output Library: stdio.h
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Unformatted I/O2m 34s
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Unformatted I/O example2m 34s
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Formatted I/O2m 51s
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Formatted I/O example5m 10s
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File access1m 55s
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File access example3m 53s
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3. General Purpose: stdlib.h
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Memory allocation1m 32s
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Memory allocation example2m 29s
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Random number generation1m 48s
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String conversion2m 11s
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String conversion example6m 29s
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Sort and search1m 52s
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Sort and search main4m 50s
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Challenge: Let's get random1m 38s
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Solution: Let's get random5m 40s
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4. String Functions: string.h
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String manipulation1m 21s
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String examination1m 43s
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5. Mathematical Functions: math.h
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Mathematical functions2m 50s
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Trigonometric functions1m 42s
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Powers and exponentials1m 9s
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Conclusion
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Next steps1m
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Video: Overview of the library