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C language contains header file when using quotation marks and angle brackets difference

Source: Internet
Author: User
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  • #include <> with angle brackets;:
    • Generally used to include the standard library header file, the compiler will go to the system configuration of the library environment variables and user-configured path to search, and not in the project's current directory to find
  • #include "" in double quotation marks:
    • Typically used to contain the user's own written header files, the compiler will first in the project's current directory lookup, not found before going to the system configuration of the library environment variables and user-configured path to search

C language contains header file when using quotation marks and angle brackets difference

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