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Which of these functions in C can cause security issues?
None of these
Strncpy
Strcpy
Both strcpy and strncpy
EDIT: Changed answer to both: "Improper use of the strncpy() and strncat() functions can result in buffer overflow vulnerabilities." See https://buildsecurityin.us-cert.gov/articles/knowledge/coding-practices/strncpy-and-strncat
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